com.saxonica.bytecode.map

## Class CompiledContextMappingFunction

- java.lang.Object
- - com.saxonica.bytecode.map.CompiledContextMappingFunction

- All Implemented Interfaces:
    ContextMappingFunction

      public abstract class CompiledContextMappingFunction
      extends Object
      implements ContextMappingFunction

  Abstract ContextMappingFunction class that must be passed to a ContextMappingIterator. This is a specialization of the more general MappingFunction class: it differs in that each item being processed becomes the context item while it is being processed.

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `CompiledContextMappingFunction()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `abstract SequenceIterator` | `map(XPathContext context)` Map one item to a sequence.

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### CompiledContextMappingFunction

          public CompiledContextMappingFunction()

  - ### Method Detail

    - #### map

          public abstract SequenceIterator map(XPathContext context)
                                        throws XPathException

      Description copied from interface: `ContextMappingFunction`
      Map one item to a sequence.
      Specified by:
        `map` in interface `ContextMappingFunction`
      Parameters:
        `context` - The processing context. The item to be mapped is the context item identified from this context: the values of position() and last() also relate to the set of items being mapped
      Returns:
        a SequenceIterator over the sequence of items that the supplied input item maps to
      Throws:
        `XPathException` - if a dynamic error is detected

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